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Ko Simpson (S) was traded on Sep 4, 2009, when the Buffalo Bills sent Ko Simpson to the Detroit Lions.
On September 4, 2009, Buffalo Bills sent S Ko Simpson to Detroit Lions for a 2010 seventh-round pick (No. 209, became Levi Brown).
Ko Simpson has been traded once in his NFL career: Sep 4, 2009: Buffalo Bills → Detroit Lions.
Based on his trade history: Buffalo Bills, Detroit Lions.
To acquire Ko Simpson on Sep 4, 2009, the Detroit Lions sent 2010 7th-round pick No. 209 (originally DET) — became Levi Brown to the Buffalo Bills.
Sep 4, 2009: Buffalo Bills → Detroit Lions.